Evolution™ System |
Preferred™ Series |
Preferred Compact 538A |
Legacy™ Line |
| Performance | ||||
| Efficiency SEER | Up to 20 SEER | Up to 15 SEER | Up to 15 SEER | Up to 13 SEER |
| Efficiency EER | Up to 14.5 EER | Up to 11.5 EER | Up to 12.5 EER | Up to 11.5 EER |
| Energy Star | Some models | |||
| Puron® Refrigerant | Some models | |||
| R-22 refrigerant | Some models | |||
| Two-Stage Scroll Compressor | ||||
| Two-Stage Reciprocating Compressor | ||||
| Sound | ||||
| Quiet Level | As low as 72 dB | As low as 67 dB | As low as 66 dB | As low as 74 dB |
| AeroQuiet™ System II | ||||
| Controls | ||||
| Evolution Control Ready | ||||
| PerfectHumidity® | ||||
| Evolution Diagnostics | ||||
| Durability | ||||
| DuraGuard™ Plus | ||||
| Warranty | ||||
| Compressor | 10 years | 10 years | 10 years | 10 years |
| Parts | 5 years | 5 years | 5 years | 5 years |